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Preferred term

wave diffraction  

Definition

  • Diffraction is defined as the interference or bending of waves around the corners of an obstacle or through an aperture into the region of geometrical shadow of the obstacle/aperture. The diffracting object or aperture effectively becomes a secondary source of the propagating wave. Italian scientist Francesco Maria Grimaldi coined the word diffraction and was the first to record accurate observations of the phenomenon in 1660. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Diffraction)

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http://data.loterre.fr/ark:/67375/MDL-WR13LRXK-L

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